Isodon excisus Kudô

Species

Angiosperms > Lamiales > Lamiaceae > Isodon

Characteristics

Herbs perennial. Stems numerous, erect, 60-100 cm tall, semiwoody basally, sparsely pubescent. Petiole 0.6-6 cm, sparsely pubescent; blade of lower leaves broadly cuneate to ± truncate and abruptly attenuate-decurrent, margin coarsely dentate-serrate, adaxially strigose-hispidulous, densely pubescent on veins, abaxially glabrous, yellow glandular, sparsely pubescent on veins; stem leaves opposite, orbicular or orbicular-ovate, (4-)6-13 × (3-)4-10 cm, base cuneate, margin entire or 1-to few serrate, apex excised, apical tooth 4-6 cm; lateral veins 3-or 4-paired, elevated. Panicles terminal or axillary, 6-15 cm; cymes (1-)3-5-flowered, pedunculate, densely pubescent; floral leaves bractlike, ovate, to 5 mm; bracteoles linear, ca. 1 mm. Pedicel 1-2 mm. Calyx campanulate, ca. 3 mm, pubescent outside, glandular, 2-lipped to 2/3 its length; lower lip slightly longer than upper lip, to 1.8 mm; teeth narrowly triangular, acute; fruiting calyx slightly dilated, ca. 4 mm, obscurely 2-lipped, teeth subequal. Corolla purplish, purple, or blue, to 9 mm, puberulent outside, glandular, tube ca. 4 mm. Stamens and style included or slightly exserted. Nutlets brown, obovoid, ca. 1.5 mm, hairy, glandular. Fl. Jul-Aug, fr. Aug-Sep.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.6 - 1.0
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Isodon excisus world distribution map, present in China and Korea (Democratic People's Republic of)

Identifiers

LSID urn:lsid:ipni.org:names:448575-1
WFO ID wfo-0000217853
COL ID 6N9BW
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rabdosia excisa f. albiflora Isodon excisus Plectranthus excisus Rabdosia excisa Stachys polygonatum Amethystanthus excisus Amethystanthus excisus f. albiflorus Rabdosia excisa var. chiisanensis Amethystanthus excisus var. coreanus Amethystanthus excisus var. chiisanensis Rabdosia umbrosa var. coreana